主题 · 2 篇
数据库
Postgres、查询计划、索引，以及用惨痛代价换来的经验。
The database is usually the slowest thing in the request path, the most expensive thing to get wrong in a migration, and the most load-bearing thing in the incident blameless post-mortem. Everything under this hub comes from the boring side of that - query plans, indexes, locks, and the operational reality of Postgres at scale.
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